Crossland Engineering, LLC

It provides comprehensive heating, ventilation, and air-conditioning design and engineering to create healthy, comfortable, and resource-efficient indoor environments.

• Heating, Ventilation, and Air-Conditioning (HVAC) Design and Engineering

  Designing HVAC systems for new constructions, renovations, and retrofits, optimizing thermal comfort and indoor air quality.

• Central Chilled Water and Hot Water Plants

  Designing water-cooled and air-cooled chilled water plants, cooling towers, and central heating solutions.

• Variable Refrigerant Flow (VRF) Systems

  Designing and implementing energy-efficient VRF systems for precise zonal temperature control.

• Specialized Air Distribution and Ventilation

  Engineering dedicated outside air systems (DOAS), commercial kitchen ventilation (CKV), and advanced air distribution systems.

It designs safe, reliable, and water-efficient plumbing systems that support public health and conservation goals.

• Plumbing Design and Engineering

  Designing domestic cold water, sanitary waste, vent, storm drainage, and foodservice plumbing systems.

• Pipe Condition Assessment and Analysis

  Evaluating the physical state of existing pipe networks and advising on repairs or upgrades.

• Building-Wide Pipe Replacement Projects

  Managing large-scale residential and commercial pipe replacement projects from planning through construction.

• Alternative Water and Conservation Systems

  Designing greywater, rainwater catchment, and recycled water systems, and incorporating low-flow fixtures.

• Hot Water Generation and Recovery

  Designing solar hot water, heat recovery systems, water heating heat pumps, and condensing boilers.

It engineers robust fire suppression and life safety systems that comply with municipal codes and protect building occupants.

• Fire Protection Design and Engineering

  Designing wet-pipe and pre-action sprinkler systems, standpipes, fire pumps, and smoke curtains.

• High-Rise Retrofit and Sprinkler Systems

  Retrofitting older high-rise residential properties with modern automatic fire sprinkler installations.

• Fire and Life Safety Code Assessments

  Conducting walk-through audits, building life safety evaluations, and completing index scores to meet Honolulu Ordinance 18-14.

It delivers sustainable design solutions that optimize energy efficiency and minimize the environmental footprint of built environments.

• Sustainable Design and Green Building Certification

  Guiding projects through LEED and HI-CHPS documentation, compliance, and official certification.

• Building Energy Audits and Benchmarking

  Assessing current building performance and benchmarking energy consumption against industry standards.

• Building Energy Modeling

  Performing detailed building energy simulations to analyze consumption and identify savings opportunities.

It analyzes building systems to maximize performance, reduce operating costs, and streamline facility automation.

• Building Automation and Controls Design

  Designing intelligent building automation systems and advanced control strategies for optimal mechanical operation.

• Building Commissioning (Cx)

  Providing commissioning and optimization services to verify that mechanical systems operate as intended.

• Life-Cycle Cost Analysis (LCCA)

  Evaluating and comparing the long-term financial and energy costs of various building system options.

It supports clients from project conception through construction with comprehensive project management and design coordination.

• Project Management

  Providing comprehensive planning, direction, and technical oversight for complex building system projects.

• Construction Administration

  Assisting with bidding, construction observation, submittal reviews, and final inspections.

• Building Information Modeling (BIM)

  Utilizing 3D modeling technologies to coordinate trades and streamline building system design.